1. An Internet service, provided by some domains, that enables a user to find e-mail addresses and other information for users listed in a database at that domain.
2. A UNIX command to access the whois service.
3. A command that displays a list of all users logged onto a Novell network.
An Internet program which allows users to query a database of people and other Internet entities. A protocol and tool for looking up information about registered Internet names and numbers.